public void StackStartsOffWithOneElement()
{
var stack = new GenericStackFromLinkedListImplementation <string>(new Node <string>("home"));
Assert.Equal(1, stack.Count);
Assert.Equal("home", stack.Peek.Value);
}
public void StackCanPeekInToSeeNextElement()
{
var stack = new GenericStackFromLinkedListImplementation <string>(new Node <string>("home"));
stack.Push("added");
Assert.Equal("added", stack.Peek.Value);
}
public void StackCanPushElements()
{
var stack = new GenericStackFromLinkedListImplementation <string>(new Node <string>("home"));
stack.Push("neighbor");
stack.Push("lovely");
Assert.Equal(3, stack.Count);
}
public void StackPopsOffTheCorrectElement()
{
var stack = new GenericStackFromLinkedListImplementation <string>(new Node <string>("home"));
stack.Push("name");
stack.Push("email");
var popped = stack.Pop.Value;
Assert.Equal("email", popped);
}
public void StackStartsOffEmpty()
{
var stack = new GenericStackFromLinkedListImplementation <string>();
Assert.Equal(0, stack.Count);
}
public void StackThrowsArgumentExceptionWhilePoppingEmptyStack()
{
var stack = new GenericStackFromLinkedListImplementation <string>();
Assert.Throws <ArgumentException>(() => stack.Pop);
}
public void StackReturnsNullWhilePeekingEmptyStack()
{
var stack = new GenericStackFromLinkedListImplementation <string>();
Assert.Null(stack.Peek);
}
